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8012687: Remove unused is_root checks and closures

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Reviewed-by: tschatzl, jmasa
This commit is contained in:
Stefan Karlsson 2013-04-22 20:27:36 +02:00
parent dcedbaa149
commit bdf829cf3e
15 changed files with 59 additions and 103 deletions
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12
hotspot/src/share/vm/memory/genMarkSweep.cpp
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@ -282,11 +282,10 @@ void GenMarkSweep::mark_sweep_phase3(int level) {
// Need new claim bits for the pointer adjustment tracing.
ClassLoaderDataGraph::clear_claimed_marks();
// Because the two closures below are created statically, cannot
// Because the closure below is created statically, we cannot
// use OopsInGenClosure constructor which takes a generation,
// as the Universe has not been created when the static constructors
// are run.
adjust_root_pointer_closure.set_orig_generation(gch->get_gen(level));
adjust_pointer_closure.set_orig_generation(gch->get_gen(level));
gch->gen_process_strong_roots(level,
@ -294,18 +293,17 @@ void GenMarkSweep::mark_sweep_phase3(int level) {
true, // activate StrongRootsScope
false, // not scavenging
SharedHeap::SO_AllClasses,
&adjust_root_pointer_closure,
&adjust_pointer_closure,
false, // do not walk code
&adjust_root_pointer_closure,
&adjust_pointer_closure,
&adjust_klass_closure);
// Now adjust pointers in remaining weak roots. (All of which should
// have been cleared if they pointed to non-surviving objects.)
CodeBlobToOopClosure adjust_code_pointer_closure(&adjust_pointer_closure,
/*do_marking=*/ false);
gch->gen_process_weak_roots(&adjust_root_pointer_closure,
&adjust_code_pointer_closure,
&adjust_pointer_closure);
gch->gen_process_weak_roots(&adjust_pointer_closure,
&adjust_code_pointer_closure);
adjust_marks();
GenAdjustPointersClosure blk;